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Annotation of embedaddon/php/ext/pcre/tests/preg_replace_callback_basic.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: Test preg_replace_callback() function : basic functionality 
        !             3: --FILE--
        !             4: <?php
        !             5: /*
        !             6: * proto string preg_replace(mixed regex, mixed replace, mixed subject [, int limit [, count]])
        !             7: * Function is implemented in ext/pcre/php_pcre.c
        !             8: */
        !             9: /*
        !            10: * Basic test for preg_replace_callback
        !            11: */
        !            12: $replacement = array('zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine'); //array will have the default key values (0-9) and each value is the corresponding key written in words.
        !            13: function integer_word($matches) {
        !            14:     global $replacement;
        !            15:     return $replacement[$matches[0]]; //all examples will be looking for an integer value, if one is found it will be stored in $matches[0] which corresponds to a key in the $replacements array
        !            16:     
        !            17: }
        !            18: $subject1 = 'there are 7 words in this sentence.';
        !            19: $new_subject1 = preg_replace_callback('/\d/', "integer_word", $subject1);
        !            20: print "$new_subject1 \n";
        !            21: $subject2 = '1 2 3 4 is now written in words';
        !            22: $new_subject2 = preg_replace_callback('/\d/', "integer_word", $subject2, 3); //limits to three replacements
        !            23: print "$new_subject2 \n";
        !            24: $subject3 = 'there are no numbers in this string';
        !            25: $new_subject3 = preg_replace_callback('/\d/', "integer_word", $subject3, 5, $count); //limites to five replacements and counts the number of replacements made ands stores in $count variable
        !            26: print "$new_subject3 \n";
        !            27: print $count;
        !            28: ?>
        !            29: --EXPECTF--
        !            30: there are seven words in this sentence. 
        !            31: one two three 4 is now written in words 
        !            32: there are no numbers in this string 
        !            33: 0